12617692142 has 8 divisors (see below), whose sum is σ = 20647132632. Its totient is φ = 5735314600.

The previous prime is 12617692133. The next prime is 12617692183. The reversal of 12617692142 is 24129671621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12617692142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286765709 + ... + 286765752.

It is an arithmetic number, because the mean of its divisors is an integer number (2580891579).

Almost surely, 2^12617692142 is an apocalyptic number.

12617692142 is a deficient number, since it is larger than the sum of its proper divisors (8029440490).

12617692142 is a wasteful number, since it uses less digits than its factorization.

12617692142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573531474.

The product of its digits is 72576, while the sum is 41.

The spelling of 12617692142 in words is "twelve billion, six hundred seventeen million, six hundred ninety-two thousand, one hundred forty-two".